Modular sandbox assembly



FIG. 1 is a top isometric view of a modular sandbox assembly in accordance with the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, a left side elevational view being a mirror image thereof; and

FIG. 5 is a front elevational view thereof, a rear elevational view being a mirror image thereof.

FIG. 6 is a rear isometric view of one module of the modular sandbox assembly of FIG. 1, with other modules omitted for ease of illustration;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front elevational view thereof; and,

FIG. 10 is a rear elevational view thereof.

The broken lines shown in FIGS. 1-10 are for illustration purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a modular sandbox assembly, as shown and described. 